202131001297 has 2 divisors, whose sum is σ = 202131001298. Its totient is φ = 202131001296.

The previous prime is 202131001279. The next prime is 202131001313. The reversal of 202131001297 is 792100131202.

Together with previous prime (202131001279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120748605121 + 81382396176 = 347489^2 + 285276^2 .

It is a cyclic number.

It is not a de Polignac number, because 202131001297 - 2³⁵ = 167771262929 is a prime.

It is not a weakly prime, because it can be changed into another prime (202131001277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065500648 + 101065500649.

It is an arithmetic number, because the mean of its divisors is an integer number (101065500649).

Almost surely, 2^202131001297 is an apocalyptic number.

It is an amenable number.

202131001297 is a deficient number, since it is larger than the sum of its proper divisors (1).

202131001297 is an equidigital number, since it uses as much as digits as its factorization.

202131001297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 202131001297 its reverse (792100131202), we get a palindrome (994231132499).

The spelling of 202131001297 in words is "two hundred two billion, one hundred thirty-one million, one thousand, two hundred ninety-seven".